Geometrical instruments – Area integrators – Electrical
Patent
1976-02-26
1977-11-29
Haroian, Harry N.
Geometrical instruments
Area integrators
Electrical
33DIG10, G01B 514
Patent
active
040599051
ABSTRACT:
The apparatus disclosed includes a locator pin assembly for mounting on the outlet box before the covering member is placed over the box. It includes one or more pins, depending on the type of outlet box, that are attached to and extend perpendicularly from opposite sides of the mounting plate. The pins are sharp on both ends and pierce the covering member when the member is positioned over the box. A template is mounted on the protruding pin or pins to guide a cutting tool as it cuts the access opening for the box. The pin or pins extend different distances on opposite sides of the plate. On one side, the pins extend a relatively short distance for use with relatively thin covering members, such as wood paneling. On the other side, the pins extend a relatively long distance for use with relatively thick covering members, such as wallboard. An extractor is provided to attach the template to the locator pin assembly through the covering member to hold the template in position during the cutting operation and to allow the scrap and locator pin assembly to be removed together through the access opening.
REFERENCES:
patent: 2775812 (1957-01-01), Mohr
patent: 2788151 (1957-04-01), Shore
patent: 2898688 (1959-08-01), Cottar
patent: 3823754 (1974-07-01), Nix
Haroian Harry N.
Thompson Jennings B.
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